You opened the encryption wallet and then issued the following command: Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column. What is the outcome?（）

A、 It creates the table and encrypts the data in it.

B、 It generates an error because the wallet is closed.

C、 It creates the table but does not encrypt the data in it.

D、 It generates an error because the NO SALT option cannot be used with the ENCRYPT option.

A technician claims to have crimped a patch cable according to the T568A standard on one end and T568B on the other. Which of the following results is to be expected?（）

A、Since only half the leads are used, the cable will only work at 100Mbps

B、The cable will only work at a maximum of 100Mbps. since 1Gbps only works on T568B cables.

C、There will be no proper data continuity; the standards utilize two different wiring diagrams.

D、The cable will only work at a maximum of 10Mbps. since 100/1000Mbps only works on T568B pure cables

数据结构主要研究的是数据的逻辑结构、数据的运算和（　　）。

A、数据的方法

B、数据的存储结构

C、数据的对象

D、数据的逻辑存储

IBMDS5000系列存储系统支持哪些动态调整和调整存储配置能力（）。

A、动态扩展RAID组

B、动态扩展卷

C、动态改变RAID类型

D、动态改变segment数据块

E、以上皆是

发送一封主题为“生日快乐”的电子邮件，内容为“祝您生日快乐”李明，并将我的文档中的music.mid文件以附件的形式一起发送E-mail:lp@sina.com。

Which of the following are prerequisite steps to transport a database？（） 

 Query the V$TRANSPORTABLE_PLATFORMS view in the source database to determine if the intended destination is listed.

 Verify that there are no restrictions or limitations that the source or destination database may encounter.

 Verify that the source and destination have the same Oracle version critical updates，patch-set version，and patch- set exceptions.

 Determine if you will perform the conversion on the source or destination platform. 

 None of the above.